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| Publication Type:
| Refereed |
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| Author(s): | Elwell, D. L.;
Keener, H. M.;
Hoitink, H. A. J.;
Hansen, R. C.;
Hoff, J. |
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| Author Affiliation: | Senior Researcher, Department of Agricultural Engineering; Associate Professor, Department of Agricultural Engineering; Research Associate, Department of Agricultural Engineering; Professor, Department of Plant Pathology, The Ohio State University/Ohio Agricultural Research and Development Center, Wooster, Ohio; Manager, Columbus Compost Facility, Lockbourne, Ohio |
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| Title: | Pilot and full scale evaluations of leaves as an amendment in sewage sludge composting |
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| Source: | Compost Science & Utilization. Vol. 2, No. 2, Spring 1994, p. 55-74. |
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| Publishing Information: | Emmaus, PA: JG Press |
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| # of Pages: | 20 |
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| Keywords: | TIC Keywords: Leaves; Composting; Wood chips; Ammonia; Sewage sludge; Efficiency; Moisture; Aeration
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| Abstract/Contents: | "The use of leaf amendment in woodchips/sludge composting was studied in pilot-scale and full scale operations. Use of leaves at a rate of 20 percent by volume was compatible with present practices and equipment at the Columbus Compost Facility, but higher rates caused materials handling and curing problems and would necessitate system modifications. Only very slight reduction in new woodchip usage was observed for the 20 percent leaf amendment, but output of sieved-finished compost was doubled. Leaf usage increased airflow requirement per unit dry matter during the initial stage of composting but decreased ammonia release throughout the composting process. On the other hand, use of recycled materials, compost and sieved woodchips, increased ammonia release. Adequate moisture and periodic turning in the pilot-scale studies enhanced composting for all treatments. Leaf usage may necessitate forced aeration during curing to keep full size piles aerobic. In addition, leaf usage increased the total materials handling requirement for operating the full-scale system by 16 percent, and it was concluded that careful consideration of materials handling is the major concern for a system's operating efficiency." |
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| Language: | English |
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| References: | 18 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Elwell, D. L., H. M. Keener, H. A. J. Hoitink, R. C. Hansen, and J. Hoff. 1994. Pilot and full scale evaluations of leaves as an amendment in sewage sludge composting. Compost Sci. Util. 2(2):p. 55-74. |
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